https://www.crownaudio.com/en/site_elements/macro-tech-1200-service-manual
Power output: 310 watts per channel into 8Ω (stereo), 970 watts into 8Ω (mono)
Frequency response: 20Hz to 20kHz
Total harmonic distortion: 0.1%
Damping factor: 1000
Input sensitivity: 1.4V
Signal to noise ratio: 100dB
Speaker load impedance: 2Ω to 16Ω
Dimensions: 19 x 3.5 x 16 inches
Weight: 20kg